The XRAY 306530 T4'17 Graphite Chassis Stiffener increases torsional rigidity for the T4 2017 chassis using a 2.0mm graphite panel. This upgrade helps the car hold its line better and respond more directly to throttle and steering inputs.
Using 2.0mm graphite provides a direct stiffness boost without significant extra mass. The result is firmer cornering and reduced chassis roll, which aids drivers tuning for faster lap times or quicker direction changes.
When fitting, ensure the plate sits flush and fasteners are torqued evenly to manufacturer spec. Check for any interference with electronics or suspension parts after install to keep handling predictable.
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